A quick scratch pad of useful reports to do with quantifying the value of arts and culture (and also a bit about alternative financing for a bit of light reading).
Understanding the alternative finance market (NESTA 2016)
Quantifying the social impact of culture and sports (UK 2014)
Quantifying and valuing the wellbeing impacts of culture and sport (UK 2015)
The 2015 report of the Warwick Commission on the Future of Cultural Value (UK)
Validating the links between arts and liveability (US)